Shelf system



FIG. 1 is a perspective view of first shelf system showing our design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1, the bottom view being a mirror image thereof;

FIG. 4 is a side view of FIG. 1, the opposite side view being a mirror image thereof; and

FIG. 5 is a bottom view thereof.

FIG. 6 is a perspective view of a second shelf system showing our design;

FIG. 7 is a front view of FIG. 6;

FIG. 8 is a top view of FIG. 6, the bottom view being a mirror image of the top view;

FIG. 9 is a side view of FIG. 6, the opposite side view being a mirror image thereof; and,

FIG. 10 is a bottom view thereof.

The phantom lines in the FIG. 6 are to show the environment and do not form a part of the present invention. 

We claim the ornamental design for a shelf system, as shown and described. 